GB880091A - - Google Patents
Info
- Publication number
- GB880091A GB880091A GB880091DA GB880091A GB 880091 A GB880091 A GB 880091A GB 880091D A GB880091D A GB 880091DA GB 880091 A GB880091 A GB 880091A
- Authority
- GB
- United Kingdom
- Prior art keywords
- winding
- july
- transformer
- parallel
- transistors
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
880,091. Converting. MOTOROLA Inc. July 25, 1960 [July 27, 1959 (2)], No. 25875/60. Class 38 (2). [Also in Groups XXXVI and XL (c)] In a two-way radio equipment for installation in vehicles (see Group XL (c)) potential is supplied to the centre tap of a transformer 141 in the transmitter power supply unit via a filter 140, switching transistors 142, 143 being connected in parallel in one side of the primary winding of the transformer, and switching transistors 144, 145 being connected in parallel in the other side. The switching of the transistors is controlled by a centre-tapped feedback winding 146 to which a bias potential is applied. The alternating voltage developed in winding 141 is applied via secondary windings 150, 155 and filters 152, 157 to the respective output terminals 153, 158.
Publications (1)
Publication Number | Publication Date |
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GB880091A true GB880091A (en) |
Family
ID=1752926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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GB880091D Active GB880091A (en) |
Country Status (1)
Country | Link |
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GB (1) | GB880091A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2245437A (en) * | 1990-06-18 | 1992-01-02 | Nodic Matsumoto Progress | Power supply for energising a portable telephone from a vehicle battery |
GB2249228A (en) * | 1990-10-24 | 1992-04-29 | Dassault Electronique | DC-AC-DC converter |
ES2289921A1 (en) * | 2006-04-06 | 2008-02-01 | Angel Luis Carrasco Prieto | Inhibiting device for movable telephones operation in vehicles, includes wave generator of appropriate frequency band installed in vehicles and power to interfere with own waves of movable telephony in interior of vehicle |
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0
- GB GB880091D patent/GB880091A/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2245437A (en) * | 1990-06-18 | 1992-01-02 | Nodic Matsumoto Progress | Power supply for energising a portable telephone from a vehicle battery |
GB2249228A (en) * | 1990-10-24 | 1992-04-29 | Dassault Electronique | DC-AC-DC converter |
GB2249228B (en) * | 1990-10-24 | 1995-06-07 | Dassault Electronique | Improved chopping power supply system of the direct conduction type |
ES2289921A1 (en) * | 2006-04-06 | 2008-02-01 | Angel Luis Carrasco Prieto | Inhibiting device for movable telephones operation in vehicles, includes wave generator of appropriate frequency band installed in vehicles and power to interfere with own waves of movable telephony in interior of vehicle |
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